V4L/DVB (10296): uvcvideo: Fix memory leak in input device handling

#ifdef CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV

static int uvc_input_init(struct uvc_device *dev)

{

	struct usb_device *udev = dev->udev;

	struct input_dev *input;

	char *phys = NULL;

	int ret;

	input = input_allocate_device();

	if (input == NULL)

		return -ENOMEM;

	phys = kmalloc(6 + strlen(udev->bus->bus_name) + strlen(udev->devpath),

			GFP_KERNEL);

	if (phys == NULL) {

		ret = -ENOMEM;

		goto error;

	}

	sprintf(phys, "usb-%s-%s", udev->bus->bus_name, udev->devpath);

	usb_make_path(dev->udev, dev->input_phys, sizeof(dev->input_phys));

	strlcat(dev->input_phys, "/button", sizeof(dev->input_phys));

	input->name = dev->name;

	input->phys = phys;

	usb_to_input_id(udev, &input->id);

	input->phys = dev->input_phys;

	usb_to_input_id(dev->udev, &input->id);

	input->dev.parent = &dev->intf->dev;

	__set_bit(EV_KEY, input->evbit);

error:

	input_free_device(input);

	kfree(phys);

	return ret;

}

	struct urb *int_urb;

	__u8 *status;

	struct input_dev *input;

	char input_phys[64];

	/* Video Streaming interfaces */

	struct list_head streaming;